Sash Windows are often described by the number of glazing panes per sash.
6 over 1 would have 6 smaller panes of glass in the top sash and 1 larger pane in the bottom.
Shaped Top Sash – Timber Sash Windows.
Splayed Bay Window with Brick / Stone Pier – Timber Sash Windows.
Splayed Bay Sash Window – All Timber Construction
Venetian Style Timber Sash Window – with narrow mullions.
|Bowed / Radius Timber Sash Windows.|
Other Types – Timber Sash Windows.